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a) Explain what is meant by 'unconditional stability' in an op-amp.
b) Figure 2 gives the open-loop response of an uncompensated op-amp. Compensation is to be applied to the amplifier to make it unconditionally stable. Estimate the frequency at which the breakpoint of the compensated response must occur.
A certain sawtooth generator has the following parameter values: Vin: 3v, R: 4.7kohm, C:0.001uf. Determine its peak-to-peak output voltage if the period is 10 us. What is the Vpp
Using the Internet, a magazine, or a provided list of memory modules, determine the exact part numbers and quantities of memory modules that you would buy. List them with the location of where you obtained the information.
Using a 3-V power supply, design a version of the circuit of fig 6.62 from the book. to provide a dc emitter current of 0.5 mA and to allow a +-1-V signal swing at the collector. The BJT has a nominal B=100. Use standard 5 % resistor values
A certain transistor is to be operated at a collector current of 50mA. How high can VCE go without exceeding a PD(MAX) of 1.2W?
Design and sketch a current source that delivers 1uA to a load. The sum of all resistors used should be
Given: A permanent magnet DC motor has a machine constant, Kv = 0.5 V-s. The no-load torque is 1.0 Nm. Assume mechanical torque loss is a constant. Determine the mechanical power developed by the unloaded motor at 1250 rpm.
A car's radio may be subjected to voltage spikes induced by coupling from the ignition system. Pulses on the order of ±250 V and lasting for 120 µs may exist. Design a clipper circuit using resistors, diodes, and Zener diodes to limit the input vo..
use as few 3times8 binary-decimal decoders and 3-input nor gates as possible to implement a bcd squaring circuit.
A digital circuit uses two 74LVC2G74 D-FFs operating at VCC =2.5 V. (The PRE and CLR are deactivated.) The D input to one of theFFs is driven by the Q-bar output of the same FF. The D input tothe other FFs is driven by an XOR gate.
Resistors of R1= 10Ω, R2 = 4Ω and R3 = 8Ω are connected up to two batteries (of negligible resistance) as shown. Find the current through each resistor.
(a) Write the equation for mn(t) the normalized signal with minimum value of -1. (b) Determine the power [m2n(t)]. (c) Determine the eciency of the modulator. (d) Sketch the double-sided spectrum of xc(t), the modulator output, and the weights and fr..
The power density 50km from a transmitting antenna is 0.5 uW/m^2. If the frequency is 2 GHz and the antenna gain is 30 dB, determine the transmitter power.
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